2056479 has 4 divisors (see below), whose sum is σ = 2741976. Its totient is φ = 1370984.

The previous prime is 2056463. The next prime is 2056489. The reversal of 2056479 is 9746502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2056479 - 2⁴ = 2056463 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342744 + ... + 342749.

It is an arithmetic number, because the mean of its divisors is an integer number (685494).

2^2056479 is an apocalyptic number.

2056479 is a deficient number, since it is larger than the sum of its proper divisors (685497).

2056479 is an equidigital number, since it uses as much as digits as its factorization.

2056479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685496.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2056479 is about 1434.0428863880. The cubic root of 2056479 is about 127.1670977161.

The spelling of 2056479 in words is "two million, fifty-six thousand, four hundred seventy-nine".